2221123022013 has 16 divisors (see below), whose sum is σ = 3388401476096. Its totient is φ = 1267775757360.

The previous prime is 2221123021921. The next prime is 2221123022023. The reversal of 2221123022013 is 3102203211222.

It is not a de Polignac number, because 2221123022013 - 2⁸ = 2221123021757 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221123022023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59872603 + ... + 59909688.

It is an arithmetic number, because the mean of its divisors is an integer number (211775092256).

Almost surely, 2^{2221123022013} is an apocalyptic number.

It is an amenable number.

2221123022013 is a deficient number, since it is larger than the sum of its proper divisors (1167278454083).

2221123022013 is a wasteful number, since it uses less digits than its factorization.

2221123022013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119783184.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 2221123022013 its reverse (3102203211222), we get a palindrome (5323326233235).

The spelling of 2221123022013 in words is "two trillion, two hundred twenty-one billion, one hundred twenty-three million, twenty-two thousand, thirteen".